# Category Archives: Java Programs

Given a sorted array of distinct positive integers, print all triplets that form AP (or Arithmetic Progression)Examples :   Input : arr[] = { 2, 6,… Read More
Given a singly linked list and an integer K, the task is to rotate the linked list clockwise to the right by K places.Examples:   Input:… Read More
Given an array arr[] consisting of N positive integers, the task is to rotate the digits of array elements in an anti-clockwise direction such that… Read More
Given an integer N, the task is to generate a matrix of dimensions N x N using positive integers from the range [1, N] such… Read More
Given a range [L, R], we need to find the count of total numbers of prime numbers in the range [L, R] where 0
Given an Array of size N and a values K, around which we need to right rotate the array. How to quickly print the right… Read More
Given a n x n matrix. The problem is to sort the matrix row-wise and column wise.Examples:   Input : mat[][] = { {4, 1, 3},… Read More
Given a n × m binary matrix, count the number of sets where a set can be formed one or more same values in a… Read More
Given a 4 x 4 matrix, we have to interchange the elements of first and last row and show the resulting matrix.Examples :   Input :… Read More
Given a n x n matrix. The problem is to sort the given matrix in strict order. Here strict order means that matrix is sorted… Read More
An array is given, find length of the subarray having maximum sum. Examples :  Input : a[] = {1, -2, 1, 1, -2, 1} Output… Read More
Given a linked list of n nodes which is first sorted, then rotated by k elements. Find the value of k. Recommended: Please try your… Read More
Given a 2D square matrix, find the sum of elements in Principal and Secondary diagonals. For example, consider the following 4 X 4 input matrix. … Read More
Given a singly linked list, rearrange the list so that even and odd nodes are alternate in the list.There are two possible forms of this… Read More
Given a matrix, the task is to find the maximum element of each row.Examples:   Input : [1, 2, 3] [1, 4, 9] [76, 34, 21]… Read More